TimesUnion.com celebrates the 35th anniversary of Carly Simon’s “You’re So Vain” by taking on the old chestnut: who is so vain? The usual are trotted out (Mick Jagger, Warren Beatty, James Taylor, Kris Kristofferson and Cat Stevens), along with some odd tongue-in-cheek guesses (David Cassidy, local Saratoga celebrities Sam “The Bugler” Grossman and Marylou Whitney, and Oprah Winfrey).